mirror of
https://github.com/python/cpython.git
synced 2024-12-01 11:15:56 +01:00
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/***********************************************************
|
|
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
|
|
The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
|
|
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Wrap void* pointers to be passed between C modules */
|
|
|
|
#include "Python.h"
|
|
|
|
|
|
/* Declarations for objects of type PyCObject */
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
void *cobject;
|
|
void (*destructor) Py_PROTO((void *));
|
|
} PyCObject;
|
|
|
|
PyObject *
|
|
PyCObject_FromVoidPtr(cobj, destr)
|
|
void *cobj;
|
|
void (*destr) Py_PROTO((void *));
|
|
{
|
|
PyCObject *self;
|
|
|
|
self = PyObject_NEW(PyCObject, &PyCObject_Type);
|
|
if (self == NULL)
|
|
return NULL;
|
|
self->cobject=cobj;
|
|
self->destructor=destr;
|
|
return (PyObject *)self;
|
|
}
|
|
|
|
void *
|
|
PyCObject_AsVoidPtr(self)
|
|
PyObject *self;
|
|
{
|
|
return ((PyCObject *)self)->cobject;
|
|
}
|
|
|
|
static void
|
|
PyCObject_dealloc(self)
|
|
PyCObject *self;
|
|
{
|
|
if(self->destructor) (self->destructor)(self->cobject);
|
|
PyMem_DEL(self);
|
|
}
|
|
|
|
static char PyCObject_Type__doc__[] =
|
|
"C objects to be exported from one extension module to another\n\
|
|
\n\
|
|
C objects are used for communication between extension modules. They\n\
|
|
provide a way for an extension module to export a C interface to other\n\
|
|
extension modules, so that extension modules can use the Python import\n\
|
|
mechanism to link to one another.\n"
|
|
;
|
|
|
|
PyTypeObject PyCObject_Type = {
|
|
PyObject_HEAD_INIT(&PyType_Type)
|
|
0, /*ob_size*/
|
|
"PyCObject", /*tp_name*/
|
|
sizeof(PyCObject), /*tp_basicsize*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
(destructor)PyCObject_dealloc, /*tp_dealloc*/
|
|
(printfunc)0, /*tp_print*/
|
|
(getattrfunc)0, /*tp_getattr*/
|
|
(setattrfunc)0, /*tp_setattr*/
|
|
(cmpfunc)0, /*tp_compare*/
|
|
(reprfunc)0, /*tp_repr*/
|
|
0, /*tp_as_number*/
|
|
0, /*tp_as_sequence*/
|
|
0, /*tp_as_mapping*/
|
|
(hashfunc)0, /*tp_hash*/
|
|
(ternaryfunc)0, /*tp_call*/
|
|
(reprfunc)0, /*tp_str*/
|
|
|
|
/* Space for future expansion */
|
|
0L,0L,0L,0L,
|
|
PyCObject_Type__doc__ /* Documentation string */
|
|
};
|